Finding the Fourth Proportional to 409,967.65, 565,756.19 and 228,674.91
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Solution
The fourth proportional to 409,967.65, 565,756.19 and 228,674.91 is: 315,571.84
Step by Step Solution
- Step 1: Write the proportion equation
409,967.65 : 565,756.19 = 228,674.91 : x - Step 2: Convert to fraction form
409,967.65/565,756.19 = 228,674.91/x - Step 3: Cross multiply
409,967.65x = 565,756.19 × 228,674.91 - Step 4: Simplify right side
409,967.65x = 129,374,245,830.19 - Step 5: Solve for x
x = 129,374,245,830.19/409,967.65 - Step 6: Final answer
x = 315,571.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.